Home / 76,360.32-105,380.85-47,696.95

Finding the Fourth Proportional to 76,360.32, 105,380.85 and 47,696.95

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Solution

The fourth proportional to 76,360.32, 105,380.85 and 47,696.95 is: 65,824.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,360.32 : 105,380.85 = 47,696.95 : x
  2. Step 2: Convert to fraction form
    76,360.32/105,380.85 = 47,696.95/x
  3. Step 3: Cross multiply
    76,360.32x = 105,380.85 × 47,696.95
  4. Step 4: Simplify right side
    76,360.32x = 5,026,344,368.02
  5. Step 5: Solve for x
    x = 5,026,344,368.02/76,360.32
  6. Step 6: Final answer
    x = 65,824.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.